The sum of Pete's and Sam's ages is 30. Five years ago, Pete was 3 times as old as Sam. How old is Sam?
Let P = Pete's age, S = Sam's age, and P + S = 30. Which of the following equations would complete the system?
P - 5 = 3S
P - 5 = 3S - 5
P - 5 = 3S - 15
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Please show your work.
The sum of Pete's and Sam's ages is 30
P + S = 30
Five years ago, Pete was 3 times as old as Sam
Translate this sentence.
P + S = 30 since five years ago, Pete was /three times/ as old as Sam... P-5=3S-5 you have to subtract 5 from both sides, or else the equation would not be equal.